Method of making silicon.



UNITED PA EYENTC HENRY NOEL POTTER. OF NEW ROCHELLE, NEW YORK, ASSIGNOR TO GEO. WESTINGHOUSE, OF PITTSBURG, PENNSYLVANIA.

METHOD OF MAKING SILICON.

Specification of Letters Patent.

Aonlic-ation filed June 10.1905. semi No. 264.549.

No. 875,672. Patented Dec. 31, 1907.

To all whom it may con cern:

Be it known that I, HENRY Noni, Porrnn, g a citizen of the United States, and resident consists in heating one equivalent of silicon of New Rochelle, county of .Vestchester, carhid with one equivalent of siliconrno- I claim as my invention c- 1. The method of producing silicon, which State of New York, have invented certain i noxid. new and useful Improvements in Metl'iods of 2. The method of producing silicon, Which Making Silicon, ol which the following is a I consists in reducing silicon inonoXid by heatspecification. ing it with silicon carbid.

l have discovered a new reaction for pro- Signed at New York, in the county of New ducing silicon, namely l York, and State of New York, this 7th day sioJrsl-cjosprcol l of June A. l 1905. The reaction is accomplished by mixing i llENRY NOEL POTTER. the materials preferably in a line state of subdivision and heating them snfliciently, preferably in :1 suitable electric furnace, in the absence of llfC oxygen or other reactive v'vitnesses:

WM. H. CAP'EL, GEORGE H. STo'o BmnoE. 

